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Lelu [443]
3 years ago
10

Find the area of a circle with radius, r = 6.87m. Give your answer rounded to 2 DP.

Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0

Answer:

The answer is 148.27

Step-by-step explanation:

I dont know what rounded 2 DP means but rounded to the nearest tenth is 148.3 and rounded to the nearest whole number is 148

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If y varies inversely with the square of x, and y=6 when x=4, find y when x=0.1
sergejj [24]

Answer:

9600

Step-by-step explanation:

y varies inversely with the square of x

y=k/(x^2)

for some non-zero constant k

y=6 when x=4

6=k/(4^2)

k=96

y=96/(x^2)

x=0.1

y=96/(0.1^2)

y=9600

8 0
2 years ago
Rachael is a nurse. She earns 12 vacation days after working 768 hours. How many hours does Rachael need to work to earn 1 vacat
forsale [732]
She needs to work 64 hours to earn 1 vacation day.

You get his by dividing 768 by 12.

If correct brainliest please.

Thank you.
6 0
3 years ago
Read 2 more answers
Find mystery number
In-s [12.5K]

The number is less than 190,000 and greater than 180,000

5,000 more than the number has 187 thousands

2000 less than the number has 4 hundreds


180, 000 <n> 190, 000

180,000 + 2000 = n = 5000-187, 000

182,000 = n = 182, 000  

Or,  

 180, 000 <n> 190,000                    

 n + 5000= 187, 000                           n – 2000 = 180, 000

 n= 187, 000- 5000                             n = 180, 000 + 2000

 n= 182, 000                                       n= 182, 000

5 0
3 years ago
The formula for simple interest is
Vikentia [17]

Answer:

p(r+1)

Step-by-step explanation:

Hope this helps

3 0
3 years ago
Ill give brainliest to the correct answer
Alexxandr [17]

Answer:

7 x 4 = 28

28 x 1/2(dividing by 2) = 14, 14 x 2(two triangles) = 28

4 x 5 = 20(area of square in the middle)

5 x 8 = 40(area of square on one side), 40 x 2 = 80(area of squares on both sides)

Now lets add the given areas:

28 + 20 + 80 = 128 square is your answer.

3 0
2 years ago
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